Many questions remain about going 4-20 friendly

If you didn’t already know some of the new vernacular related to last November’s passage of Initiative 502, Washington’s “marijuana reform” measure, now you do.

And if the term is new to you, the Urban Dictionary traces 4-20 Friendly back more than 40 years. It originated at California’s San Rafael High School in 1971. Saturday, April 20 is celebrated by pot supporters as an official weed smoking day across the nation.

As result of the I-502 vote that passed handily – perhaps surprisingly by a...